From: Thomas Monjalon <thomas@monjalon.net>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org, matan@mellanox.com, Gaetan Rivet <grive@u256.net>
Subject: Re: [dpdk-dev] [PATCH 2/2] net/failsafe: fix primary/secondary mutex
Date: Mon, 19 Apr 2021 19:08:00 +0200 [thread overview]
Message-ID: <6747934.v7ilQdk43l@thomas> (raw)
In-Reply-To: <20210315192722.35490-3-stephen@networkplumber.org>
About the title, better to speak about multi-process,
it is less confusing than primary/secondary.
15/03/2021 20:27, Stephen Hemminger:
> Set mutex used in failsafe driver to protect when used by
> both primary and secondary process. Without this fix, the failsafe
> lock is not really locking when there are multiple secondary processes.
>
> Bugzilla ID: 662
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> Fixes: 655fcd68c7d2 ("net/failsafe: fix hotplug races")
> Cc: matan@mellanox.com
The correct order for above lines is:
Bugzilla ID: 662
Fixes: 655fcd68c7d2 ("net/failsafe: fix hotplug races")
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> ---
> --- a/drivers/net/failsafe/failsafe.c
> +++ b/drivers/net/failsafe/failsafe.c
> @@ -140,6 +140,11 @@ fs_mutex_init(struct fs_priv *priv)
> ERROR("Cannot initiate mutex attributes - %s", strerror(ret));
> return ret;
> }
> + /* Allow mutex to protect primary/secondary */
> + ret = pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
> + if (ret)
> + ERROR("Cannot set mutex shared - %s", strerror(ret));
Why not returning an error here?
next prev parent reply other threads:[~2021-04-19 17:08 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-15 19:27 [dpdk-dev] [PATCH 0/2] Mark shared pthread mutex Stephen Hemminger
2021-03-15 19:27 ` [dpdk-dev] [PATCH 1/2] ethdev: make flow API primary/secondary process safe Stephen Hemminger
2021-03-16 23:48 ` Suanming Mou
2021-03-17 0:13 ` Stephen Hemminger
2021-03-17 0:32 ` Suanming Mou
2021-04-14 13:06 ` Ferruh Yigit
2021-04-15 2:55 ` Suanming Mou
2021-04-15 3:17 ` Stephen Hemminger
2021-04-15 7:42 ` Ferruh Yigit
2021-04-15 20:04 ` Stephen Hemminger
2021-04-16 0:57 ` Suanming Mou
2021-04-16 3:19 ` Ajit Khaparde
2021-04-16 1:41 ` fengchengwen
2021-04-16 8:12 ` Ferruh Yigit
2021-04-16 8:18 ` Ferruh Yigit
2021-04-19 17:14 ` Thomas Monjalon
2021-04-19 17:45 ` Stephen Hemminger
2021-04-19 18:09 ` Thomas Monjalon
2021-06-08 8:07 ` Andrew Rybchenko
2021-03-15 19:27 ` [dpdk-dev] [PATCH 2/2] net/failsafe: fix primary/secondary mutex Stephen Hemminger
2021-04-14 13:10 ` Ferruh Yigit
2021-04-16 8:19 ` Ferruh Yigit
2021-04-19 17:08 ` Thomas Monjalon [this message]
2021-06-08 8:00 ` Andrew Rybchenko
2021-06-08 15:42 ` Stephen Hemminger
2021-06-08 15:55 ` Andrew Rybchenko
2021-06-08 20:48 ` Stephen Hemminger
2021-06-09 10:04 ` Andrew Rybchenko
2021-06-14 14:43 ` Gaëtan Rivet
2022-10-17 10:40 ` [External] : " Madhuker Mythri
2021-03-15 19:45 ` [dpdk-dev] [PATCH 0/2] Mark shared pthread mutex Stephen Hemminger
2021-03-16 16:28 ` Stephen Hemminger
2021-04-16 8:25 ` Ferruh Yigit
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